[uniapp calls wechat Payment] uniapp development applet - call wechat payment

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Use uniapp When developing applets , The steps to call wechat payment are as follows ：

One 、manifest.json Relevant parameters of internal configuration

1. stay manifest.json - App Module permission selection The admission payment( payment )
2. stay manifest.json - App SDK To configure in , Check the required payment platform , At present, wechat payment 、 Alipay pay 、 Apple in app payment (IAP), Wechat payment needs to fill in the information obtained from wechat open platform

Two 、 Wechat app payment - Code ：

there timeStamp, nonceStr, package, signType, paySign It is generated by the interaction between the backend and wechat , Passed through the interface , Call the interface directly .

uni.requestPayment({
    
	provider: 'wxpay',    // Payment type - Fixed value 
	timeStamp: res.data.wechat.timeStamp, //  Time stamp （ Company ： second ）
	nonceStr: res.data.wechat.nonceStr, //  Random string 
	package: res.data.wechat.package, //  Fixed value 
	signType: res.data.wechat.signType, // Fixed value 
	paySign: res.data.wechat.paySign, // Signature 
	
	success: function (res) {
    
		// console.log('success:' + JSON.stringify(res));
		console.log(" Successful payment ");
		uni.showToast({
    
			icon: 'success',
			title: ' Successful payment '
		})
								
		// Clear the input box 
		that.name = ''
		that.idcard = ''
	},
	
	fail: function (err) {
    
		// console.log('fail:' + JSON.stringify(err));
		console.log(" Failure to pay ");
		uni.showToast({
    
			icon: 'none',
			title: ' Failure to pay '
		})
	}
});
						

3、 ... and 、APP Payment code ：

// Order object , Get... From the server 
var orderInfo = {
    
  "appid": res.data.orderInfo.appId,  //  application ID（AppID）
  "partnerid": res.data.orderInfo.partnerId, //  Merchant number （PartnerID）
  "prepayid": res.data.orderInfo.prepayId,  //  Pre payment transaction session ID
  "package": res.data.orderInfo.packageValue,        //  Fixed value 
  "noncestr": res.data.orderInfo.nonceStr, //  Random string 
  "timestamp": res.data.orderInfo.timeStamp, //  Time stamp （ Company ： second ）
  "sign": res.data.orderInfo.sign, //  Signature , Used here  MD5  Signature 
};

uni.requestPayment({
    
    provider: "wxpay",
    orderInfo: orderInfos,
    success(res) {
    
            console.log('success:' + JSON.stringify(res));
            console.log(" Successful payment ");
    },
    fail(err) {
    
            console.log('fail:' + JSON.stringify(err));
            console.log(" Failure to pay ");                        
    });

ending~